From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Newsgroups: gmane.emacs.help Subject: Re: [External] : Inspecting behaviour of `make-overlay', is this expected? Date: Sun, 25 Dec 2022 07:44:35 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4W43NEGLXCba9uK8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="701"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 25 07:45:46 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p9KlW-000Acj-PL for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 25 Dec 2022 07:45:46 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p9KkX-0005RJ-GM; Sun, 25 Dec 2022 01:44:45 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p9KkS-0005R6-QN for help-gnu-emacs@gnu.org; Sun, 25 Dec 2022 01:44:41 -0500 Original-Received: from mail.tuxteam.de ([5.199.139.25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p9KkQ-00078V-Th for help-gnu-emacs@gnu.org; Sun, 25 Dec 2022 01:44:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tuxteam.de; s=mail; h=From:In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:To:Date:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=C3ccP0YjUILK2ygXIkrouxnDsHrsMLhgfzo/pk0g6gc=; b=W+ADew6z1K1B6X3MYfO/QKrVgG 3Fyfji5qp61Yy8YQrSZGSI9fqzH2oAtvbclVAE1aHHO8PPl8l5Ear63k7BGM85uhhSD1FKkYRFwsC Br69B8icv8z+5feaHWpVoQkIZeXPoearb+qTU4dc4VYOmGWhByBUokzOjDhQOeo0K4pGgtc2IpS23 FVCIdaFRFEavi9POHsGgOo+8HyOau23rDueuRb1Zr5kClsF7LkDA/sS9ctjb7kAF4NlHyfzTurYGp KADoWNf7WXDO9Y4EoeKyn7/HCRPfChIwkkdWxMM4DYQ0IO+rpox7vEGDCsMhzQtGSQPseyng54Qag QukE+J0g==; Original-Received: from tomas by mail.tuxteam.de with local (Exim 4.94.2) (envelope-from ) id 1p9KkN-0008IO-CN for help-gnu-emacs@gnu.org; Sun, 25 Dec 2022 07:44:35 +0100 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=5.199.139.25; envelope-from=tomas@tuxteam.de; helo=mail.tuxteam.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141930 Archived-At: --4W43NEGLXCba9uK8 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 24, 2022 at 04:39:55PM +0000, Drew Adams wrote: > > > XXXXXXXXXX > > > ^ > > > | position 0 in buffer > >=20 > > Position 1. Buffer positions start with 1. > >=20 > > Try (make-overlay 1 11). >=20 > You _can_ pass 0 to `make-overlay', but it > creates the overlay starting at position 1. Same as if you pass -12 as start position: it gets rounded (if you allow that expression ;-) up to 1: (overlay-start (make-overlay 0 10)) =3D> 1 > E.g. (make-overlay 0 10) creates an overlay > from the first position, 1, through the 9th > (as Eli mentioned). >=20 > As (elisp) `Managing Overlays' tells you: >=20 > Function: make-overlay start end &optional buffer front-advance > rear-advance > This function creates and returns an overlay that belongs to BUFFER > and ranges from START to END. Both START and END must specify > buffer positions; they may be integers or markers >=20 > You can use `overlay-start' and `overlay-end' > to see the limits of your overlay. I often use `eval-expression' and friends to clear up those things. Cheers --=20 t --4W43NEGLXCba9uK8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRp53liolZD6iXhAoIFyCz1etHaRgUCY6fxSwAKCRAFyCz1etHa RkIkAJ9SOME5g2RMyudnFlTxsRe0rShPpQCeJfTD8/TnLKbGI+4cnvlJIYXW3JQ= =hhdT -----END PGP SIGNATURE----- --4W43NEGLXCba9uK8--